import React, { useEffect } from 'react';
import Vditor, { Lute } from 'vditor';

const VditorDemo = () => {
  useEffect(() => {
    const vditor = new Vditor('vditor', {
      after: () => {
        vditor.setValue('`Vditor` 最小代码示例');
        // vditor.vditor.lute.SetJSRenderers({
        //   renderers: {
        //     Md2VditorIRDOM: {
        //       renderHeading: (node, entering) => {
        //         const id = Lute.GetHeadingID(node);
        //         if (entering) {
        //           return [
        //             `<h${node.__internal_object__.HeadingLevel} id='${id}' class='heading'><span class='heading__prefix'></span><span class='heading__content'>`,
        //             Lute.WalkContinue,
        //           ];
        //         } else {
        //           return [
        //             `</span><span class='heading__suffix'></span><a id='vditorAnchor-${id}' class='vditor-anchor' href='#${id}'><svg viewBox='0 0 16 16' version='1.1' width='16' height='16'><path fill-rule='evenodd' d='M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z'></path></svg></a></h${node.__internal_object__.HeadingLevel}>`,
        //             Lute.WalkContinue,
        //           ];
        //         }
        //       },
        //     },
        //   },
        // });
      },
      cache: {
        enable: false,
      },
      preview: {
        markdown: {
          codeBlockPreview: false,
          mark: true,
        },
      },
    });
  }, []);

  return (
    <>
      <div id="vditor" style={{ marginTop: 200 }}></div>;
    </>
  );
};

export default VditorDemo;
